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Manufacturer Refurbished – 12 Month Warranty
The RUVAC WA 251 belongs to Leybold’s proven Roots pump series designed to boost pumping speed at low pressures and extend the operating range of fore-vacuum pumps.
According to the technical data table (page 3):
Technical Specifications
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Nominal pumping speed (50 Hz): 253 m³/h
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Rotational speed (50/60 Hz): 3000 / 3600 rpm
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Motor power: ≤ 1.1 kW
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Max. permissible pressure difference: 80 mbar
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Connection flanges: DN 63 PN6
Key Features
✔ Dry compressor Roots technology
✔ Air-cooled flange-mounted three-phase motor
✔ Integrated bypass valve available (pressure compensation)
✔ Energy efficiency class IE3
✔ Horizontal or vertical installation possible
✔ Rugged bearings with optimized lubrication
✔ Reliable and low-noise operation
Applications
RUVAC WA 251 is widely used as a booster stage in:
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Heat treatment and vacuum furnaces
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Metallurgy
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Large-area coating systems
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Architectural glass coating
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Electron beam melting
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Load-lock chambers
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High-speed packaging systems
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Semiconductor and solar cell production
Combined with oil-sealed pumps such as TRIVAC or SOGEVAC, or dry pumps like DRYVAC and SCREWLINE, it ensures short pump-down times and stable process conditions.
Certified Manufacturer Refurbished
This RUVAC WA 251 is a Leybold factory-refurbished pump, fully overhauled and tested according to original manufacturer standards.
✔ Original spare parts
✔ Complete functional testing
✔ Bearing inspection and lubrication system check
✔ 12-month comprehensive manufacturer warranty
An excellent alternative to new equipment with guaranteed performance and optimized investment cost.